Section 187(5)(a) in The Dedicated Freight Corridor Railway General Rules, 2018
(a)if the loco pilot notices that his locomotive explodes a detonator he shall immediately bring his train to a stop, be guided by the signal that he may receive or if no hand signal or other signal are at once visible to him he shall follow the procedure as given in clause (d) to (f) of this sub-rule (5) of the rule 187;